Obsessed (Yandere Youngjae x OC)

Amber Tuan younger sister to Mark Tuan is the nicest Queenka in school she helps people in anyway she can after breaking up with the school bully Choi Youngjae after he beat up her older brother Mark and his best friend Jaebum (if youre wondering yes Mark and JB are the school nerds turned kingkas) after the break up she decided to help Mark and Jaebum become popular, many months passed youngjae was sent to a mental institution for beating another student almost to death now hes out and looking for the people who put him away and for the girl who left him for a nerd